Myronenko T, Dobrovolska L, Shevchenko I, Kordyuk O. Challenges and sustainability of CLIL implementation in Ukrainian educational establishments. AmazInv [Internet]. 2024 May 30 [cited 2025 Apr. 23];13(77):53-65. Available from: https://www.amazoniainvestiga.info/index.php/amazonia/article/view/2759